[Bug 91777] New: [HSW] unclaimed register write in pipe_crc test
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Aug 27 09:29:18 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=91777
Bug ID: 91777
Summary: [HSW] unclaimed register write in pipe_crc test
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: highest
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: jbarnes at virtuousgeek.org
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
i915 platform: HSW
i915 features: GPU hang
Possibly a dupe of 89901 as that occurs in the reset path as well:
[ 297.302631] kms_pipe_crc_basic: starting subtest hang-read-crc-pipe-A
[ 303.378428] [drm] stuck on render ring
[ 303.378920] [drm] GPU HANG: ecode 7:0:0x87f3fffe, in kms_pipe_crc_ba [3904],
reason: Ring hung, action: reset
[ 303.378920] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 303.378921] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 303.378921] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 303.378922] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 303.378922] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 303.381056] [drm] Simulated gpu hang, resetting stop_rings
[ 303.381058] drm/i915: Resetting chip after gpu hang
[ 303.382479] ------------[ cut here ]------------
[ 303.382497] WARNING: CPU: 1 PID: 207 at
drivers/gpu/drm/i915/intel_uncore.c:619
hsw_unclaimed_reg_debug.isra.14+0x78/0xa0 [i915]()
[ 303.382508] [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed
register before interrupt
[ 303.382510] Unclaimed register detected after writing to register 0x44054
[ 303.382510] Modules linked in: rpcsec_gss_krb5 nfsv4 nfsd auth_rpcgss
nfs_acl nfs lockd cmac grace sunrpc rfcomm bnep binfmt_misc fscache
hid_logitech_hidpp usb_storage hid_logitech_dj xfs x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec
uvcvideo snd_usb_audio btusb btrtl snd_hda_core btbcm btintel videobuf2_vmalloc
crct10dif_pclmul snd_usbmidi_lib videobuf2_memops crc32_pclmul bluetooth
videobuf2_core ghash_clmulni_intel snd_hwdep aesni_intel v4l2_common
snd_seq_midi snd_seq_midi_event videodev aes_x86_64 snd_rawmidi lrw
dm_multipath snd_pcm gf128mul glue_helper snd_seq ablk_helper scsi_dh cryptd
snd_seq_device snd_timer microcode mei_me snd mei libcrc32c serio_raw shpchp
nls_iso8859_1 lpc_ich soundcore parport_pc i2c_hid ppdev dw_dmac tpm_infineon
8250_dw dw_dmac_core i2c_designware_platform spi_pxa2xx_platform tpm_tis
i2c_designware_core lp acpi_pad parport mac_hid raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor hid_generic
usbhid hid raid6_pq raid1 raid0 multipath linear dm_mirror dm_region_hash
dm_log mxm_wmi i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect
sysimgblt fb_sys_fops psmouse drm e1000e ahci libahci ptp pps_core video wmi
sdhci_acpi sdhci
[ 303.382550] CPU: 1 PID: 207 Comm: kworker/u16:7 Tainted: G W
4.2.0-rc8+ #2
[ 303.382551] Hardware name: Gigabyte Technology Co., Ltd. Z97X-UD7
TH/Z97X-UD7 TH-CF, BIOS F4 05/30/2014
[ 303.382556] Workqueue: i915-hangcheck i915_hangcheck_elapsed [i915]
[ 303.382557] ffffffffa028bb50 ffff88045039b9b8 ffffffff8176de46
0000000000000000
[ 303.382558] ffff88045039ba08 ffff88045039b9f8 ffffffff8107004a
ffff88045039b9e8
[ 303.382559] ffff880452f50078 0000000000044054 ffff880452f50078
ffff880452f50080
[ 303.382561] Call Trace:
[ 303.382564] [<ffffffff8176de46>] dump_stack+0x45/0x57
[ 303.382566] [<ffffffff8107004a>] warn_slowpath_common+0x8a/0xc0
[ 303.382567] [<ffffffff810700c6>] warn_slowpath_fmt+0x46/0x50
[ 303.382569] [<ffffffff810d9350>] ? hrtimer_init+0x160/0x160
[ 303.382577] [<ffffffffa0209c08>] hsw_unclaimed_reg_debug.isra.14+0x78/0xa0
[i915]
[ 303.382584] [<ffffffffa020b8d3>] hsw_write32+0x93/0x130 [i915]
[ 303.382591] [<ffffffffa0211b75>] direct_interrupts_to_host+0x55/0xd0 [i915]
[ 303.382597] [<ffffffffa0211e90>] intel_guc_ucode_load+0x30/0x600 [i915]
[ 303.382604] [<ffffffffa01f1c6d>] i915_gem_init_hw+0xed/0x4a0 [i915]
[ 303.382608] [<ffffffffa01b6b33>] i915_reset+0x83/0x160 [i915]
[ 303.382612] [<ffffffffa01bb6d8>] i915_reset_and_wakeup+0xc8/0x140 [i915]
[ 303.382617] [<ffffffffa01bf95e>] i915_handle_error+0xbe/0x660 [i915]
[ 303.382619] [<ffffffff810c5be4>] ? vprintk_emit+0x374/0x4f0
[ 303.382620] [<ffffffff810c5eb9>] ? vprintk_default+0x29/0x40
[ 303.382623] [<ffffffff8176958f>] ? printk+0x46/0x48
[ 303.382627] [<ffffffffa01c01af>] i915_hangcheck_elapsed+0x25f/0x440 [i915]
[ 303.382629] [<ffffffff81087c1e>] process_one_work+0x14e/0x3d0
[ 303.382630] [<ffffffff810882ca>] worker_thread+0x11a/0x470
[ 303.382631] [<ffffffff810881b0>] ? rescuer_thread+0x310/0x310
[ 303.382633] [<ffffffff8108d7e9>] kthread+0xc9/0xe0
[ 303.382634] [<ffffffff8108d720>] ? kthread_create_on_node+0x180/0x180
[ 303.382636] [<ffffffff8177581f>] ret_from_fork+0x3f/0x70
[ 303.382637] [<ffffffff8108d720>] ? kthread_create_on_node+0x180/0x180
[ 303.382638] ---[ end trace 4316b883ee93254c ]---
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